steves: the galata bridge spans the easy-to-defend inlet called the golden horn in the very heart of istanbul. a stroll across the bridge offers panoramic views of istanbul's old town, a chance to see how the fishermen are doing... and plenty of options for a drink or meal with a view. for fast food, istanbul-style, we're grabbing a fishwich, fresh from the guys who caught it, at one of the venerable and very tipsy fish-and-bread boats. oh, man. [ speaking turkish ] [ speaking turkish ] this is istanbul fast food, huh? now, this is what kind of fish? fresh mackerel. steves: from near the galata bridge, it's easy to hop a tour boat for a relaxing sail up the bosphorus and a chance to see the city from the water, with europe on one side and asia on the other. you'll pass massive cruise ships which pour thousands of tourists into the city for a frantic day of sightseeing and shopping. the boat passes homes of wealthy locals who can afford some of the priciest real estate in turkey -- bosphorus waterfront. the dramatic bosphorus bridge was the first bridge ever to span two continents. an